/* 首页样式 */

/* 轮播图 */
.carousel{
  margin-bottom: 30px;
}
.carousel .carousel_list{
  overflow: hidden;
  height: 350px;
  margin-top: 30px;
  position: relative;
}
.carousel .carousel_list .imgList{
  height: 350px;
}
.carousel .carousel_list .imgList li{
  position: absolute;
  top:0;
  left: 0;
  opacity: 0;
}
.carousel .carousel_list .imgList li a,
.carousel .carousel_list .imgList li a img{
  display: block;
  width: 100%;
  height: 100%;
}
.carousel .carousel_list .last,
.carousel .carousel_list .next {
  position: absolute;
  top: 50%;
  width: 42px;
  height: 72px;
  transform: translateY(-50%);
  cursor: pointer;
  opacity: 0.1;
  transition: all 1s;

}
.carousel .carousel_list:hover .last,
.carousel .carousel_list:hover .next
  {
  opacity: 0.5;
}
.carousel .carousel_list .last{
  left: 35px;
  background: url(../images/1_03.png) no-repeat;
}
.carousel .carousel_list .next{
  right: 35px;
  background: url(../images/1_05.png) no-repeat;
}
.carousel .carousel_list .dot li{
  float: left;
  margin-right: 8px;
}
.active{
  background-color: #e28a6c;
}
/* .carousel .carousel_list .dot li a:hover{
  background-color: #e28a6c;
} */
.carousel .carousel_list .dot li a{
  width: 10px;
  height: 10px;
  display: block;
  border-radius: 50%;
  background-color: #e3f3f0;
}
.carousel .carousel_list .dot {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}
/* 轮播图end */

/* 同步课程 */
.sync_course li{
  height: 225px;
  width: 280px;
  background: #F8F8F8;
  box-shadow: 0 2px 3px 3px rgba(111, 111, 111, 0.07);
  border-radius: 4px;
  margin: 0 20px 20px 0;
  float: left;
}
.sync_course li:nth-child(4n+4){
  margin-right: 0;
}
.sync_course .sync_course_img{
  width: 280px;
  height: 163px;
  border-radius: 4px 4px 0 0;
  position: relative;
}
.sync_course .sync_course_img .subscript{
  position: absolute;
  top: 0;
  left: 0;
  width: 71px;
  height: 33px;
  background: rgba(0, 0, 0, 0.30);
  border-radius: 4px 0 12px 0;
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  text-align: center;
  line-height: 33px;
}
.sync_course .sync_course_img .study{
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 33px;
  line-height: 33px;
  background: rgba(0, 0, 0, 0.20);
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  padding-left: 10px;
  box-sizing: border-box;
}
.sync_course .sync_course_bottom{
  padding: 0 10px;
  box-sizing: border-box;
}
.sync_course .sync_course_bottom_fl p{
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  letter-spacing: 0;
  margin: 10px 0 5px 0;
}
.sync_course .sync_course_bottom_fl span{
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #7A7A7A;
  letter-spacing: 0;
}
.sync_course .sync_course_bottom_fr{
  width: 86px;
  height: 30px;
  background: #74C6B3;
  border-radius: 4px;
  line-height: 30px;
  text-align: center;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #FFFFFF;
  margin-top: 15px;
}
/* 同步课程end */

/* 广告图 */
.poster{
  font-size: 0;
  margin: 10px 0 0 0;
}
/* 广告图end */

/* 精品课程 */
.goods_course .goods_fl{
  width: 880px;
}
.goods_course .goods_fr,
.goods_course .goods_fr img{
  width: 285px;
  display: block;
}
.goods_course li {
  height: 225px;
  width: 280px;
  background: #F8F8F8;
  box-shadow: 0 2px 3px 3px rgba(111, 111, 111, 0.07);
  border-radius: 4px;
  margin: 0 20px 20px 0;
  float: left;
}
.goods_course li:nth-child(3n+3) {
  margin-right: 0;
}

.goods_course .goods_course_img {
  width: 280px;
  height: 163px;
  border-radius: 4px 4px 0 0;
  position: relative;
}

.goods_course .goods_course_img .subscript {
  position: absolute;
  top: 0;
  left: 0;
  width: 71px;
  height: 33px;
  background: rgba(0, 0, 0, 0.30);
  border-radius: 4px 0 12px 0;
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  text-align: center;
  line-height: 33px;
}

.goods_course .goods_course_img .study {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 33px;
  line-height: 33px;
  background: rgba(0, 0, 0, 0.20);
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  padding-left: 10px;
  box-sizing: border-box;
}

.goods_course .goods_course_bottom {
  padding: 0 10px;
  box-sizing: border-box;
}

.goods_course .goods_course_bottom_fl p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  letter-spacing: 0;
  margin: 10px 0 5px 0;
}

.goods_course .goods_course_bottom_fl span {
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #7A7A7A;
  letter-spacing: 0;
}

.goods_course .goods_course_bottom_fr {
  width: 86px;
  height: 30px;
  background: #74C6B3;
  border-radius: 4px;
  line-height: 30px;
  text-align: center;
  font-family: PingFangSC-Medium;
  font-size: 16px;
  color: #FFFFFF;
  margin-top: 15px;
}
/* 精品课程end */

/* 导航 */
.nav{
  margin: 30px 0 100px 0;
}
.nav li{
  width: 380px;
  float: left;
}
.nav li img{
  width: 380px;
  height: 100px;
}
.nav li:nth-child(2){
  margin: 0 20px;
}
/* 导航end */
